1. Windows Central Question's Avatar
    i try to on caller id for true caller in my phone lumia 640 xl but it retain off after back in setting. how it on permanent.
    wbadry likes this.
    06-29-2015 09:25 AM
  2. wbadry's Avatar
    Same issue. I suspect that any update is required since Lumia 640 XL is shipped with denim update and latest network and extras info. Also the app is installed on phone memory.
    09-20-2015 10:14 AM
  3. HITESH LALWANI's Avatar
    I'm having the same issue
    10-11-2015 09:38 AM

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